Privacy Policy

What is Nuxo Tax

Nuxo Tax is an AI-powered tax intelligence app for UK sole traders, operated by Nuxo Tech Ltd. This policy covers data collected through the Nuxo Tax app and the /tax pages of nuxo.co.uk.

Data we collect

• Account information — name, email address, password (hashed)
• Financial data — income, expenses, invoices, mileage you enter
• Profile information — business type, tax year, home office details
• Usage data — features used, screens viewed (anonymised)
• Device data — device type, OS version, app version

How we use your data

• To provide tax estimates, deduction detection and AI insights
• To power Ask Nuxo — your questions are sent to Groq AI (no data stored beyond the request)
• To send push notifications (weekly digest, MTD reminders)
• To improve the app — aggregated, anonymised analytics only

Where data is stored

All Nuxo Tax data is stored in Google Firebase (EU region — eur3). Your financial data never leaves the EU. We use Firebase Auth, Firestore and Firebase Storage — all encrypted in transit and at rest.

Third parties

• Google Firebase — authentication, database, storage (EU)
• Groq AI — processes Ask Nuxo queries only, no data retained
• Google Cloud Vision — receipt OCR scanning only
• Firebase Crashlytics — anonymised crash reports

We never sell your data. Ever.

AI processing disclosure

We use third-party AI services (Groq Inc. and Google Cloud Vision) to provide intelligent features such as expense categorisation, tax suggestions, and receipt scanning. Transaction descriptions, amounts, and receipt images may be sent to these services for processing. Data is transmitted securely and is not used to train AI models. These providers may process data outside the UK.

By using Nuxo Tax's AI features you consent to this processing. You can choose not to use receipt scanning or Ask Nuxo if you prefer not to have data sent to these services.

Your rights

• Access your data at any time within the app
• Delete your account and all data via Settings → Delete Account
• Withdraw consent at any time
• Request a data export — email hello@nuxo.co.uk

Cookies

The Nuxo Tax app does not use cookies. The nuxo.co.uk/tax website uses no tracking cookies.

Contact

Data controller: Nuxo Tech Ltd · hello@nuxo.co.uk